CN107074130A - Spinning movement controlling organization and seat - Google Patents
Spinning movement controlling organization and seat Download PDFInfo
- Publication number
- CN107074130A CN107074130A CN201580055907.0A CN201580055907A CN107074130A CN 107074130 A CN107074130 A CN 107074130A CN 201580055907 A CN201580055907 A CN 201580055907A CN 107074130 A CN107074130 A CN 107074130A
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- Prior art keywords
- worm screw
- rotation
- locking
- worm gear
- controlling organization
- Prior art date
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- 230000033001 locomotion Effects 0.000 title claims description 54
- 238000009987 spinning Methods 0.000 title claims description 48
- 230000008520 organization Effects 0.000 title claims description 43
- 230000008093 supporting effect Effects 0.000 claims abstract description 19
- 238000006073 displacement reaction Methods 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 12
- 238000012360 testing method Methods 0.000 description 9
- 241000237858 Gastropoda Species 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000005428 wave function Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/2231—Worm and worm gear articulations
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
- A47C1/025—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by means of a rack-and-pinion or like gearing mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/2227—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable and provided with braking systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2/919—Positioning and locking mechanisms
- B60N2/933—Positioning and locking mechanisms rotatable
- B60N2/938—Positioning and locking mechanisms rotatable and provided with braking systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2205/00—General mechanical or structural details
- B60N2205/20—Measures for elimination or compensation of play or backlash
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Gear Transmission (AREA)
Abstract
The action of stabilization of present invention when rotation is maintained to be configured with the structure of two worm gears by way of clipping worm screw, and further improve the reliability of locking.When rotated, fulcrum is supported by bearing portion (510,520) during each rotation at the axial both ends for being set in worm screw (50), on the other hand, in locking, when the axial one end of worm screw (50) is set in the locking of eccentric position, fulcrum is supported by the bearing portion (510) of a side, and fulcrum is kept unchangeably supporting by the bearing portion (520) of the opposing party when being rotated at axial the other end.As a result, when rotated with locking when, the lead angle for being supported on the worm screw in a pair of bearings portion (510,520) changes, and lead angle when lead angle during locking is than rotation is small, and the reliability of locking is improved.
Description
Technical field
Enter line-locked rotation the present invention relates to the rotation between the component for allowing to rotate against or with arbitrary angle
Controlling organization is made in rotation, more particularly to is installed on the seat of vehicle etc. and frame mutually rotating in the multiple frameworks for constituting seat
Spinning movement controlling organization between frame, wherein, it is related to and is adapted as suitably adjusting backrest inclining relative to seat cushion
The spinning movement controlling organization of the recliner at oblique angle.Moreover, it relates to be assembled with the spinning movement controlling organization
Seat.
Background technology
Patent document 1 and Patent Document 2 discloses：As when making backrest stop with defined inclination angle
Locking mechanism and the technology for abutting and stopping by rubbing the sliding component of the rotation of worm screw using the flank of tooth with worm screw, and
Make the skill for the rotation that worm screw itself moves in parallel towards worm gear and worm screw is pushed on into the worm gear and stops worm screw using friction
Art.In the structure shown here, for the latching force needed for obtaining, it is necessary to big pressing force.
In each between cog of worm and wheel, there is backlash to realize smoothly spinning movement, but the backlash is in seat
Producing reason as loosening, the abnormal sound during locking of backrest.
However, the smoothly spinning movement in order to realize worm and wheel, it is necessary to the axial both ends of e axle supporting worm screw
Bearing carry out strict counterpoint and the size of backlash adjusted based on certain meshing relation.In addition, backlash is also according to worm screw etc.
Foozle, the abrasion using caused tooth, deformation etc. and change, therefore, it is difficult to reduce the deviation of each product.In addition,
During locking, even if worm screw is pushed to worm gear, there is also following situation：Still along the glide direction of worm screw in worm screw and snail
Each between cog of wheel is generated a gap, loosening, the Producing reason of abnormal sound when the gap is as locking.
On the other hand, as the glide direction that worm screw can be also eliminated in locking gap mechanism, the applicant exists
Following mechanism is proposed in patent document 3 and patent document 4.
That is, following recliner is proposed in patent document 3：Using the worm screw that recess is formed with both ends of the surface, and
And the bearing for possessing recess in the opposed faces opposed with the worm screw is fixed on bracket, use and be filled between worm screw and bearing
The supporting device of the worm screw of ball, when making backrest stop with defined inclination angle, by pressing mechanism by the axial direction of worm screw
The teeth portion of another side is pushed and locked to worm gear.In addition, proposing following mechanism in patent document 4：In order to it is special
The technology of sharp document 3 is compared to the movable range for increasing worm screw, and the axial direction that the movable bearing of up and down motion is arranged at into worm screw is another
Side, makes the movable bearing move up and down and be pushed to worm gear.
Citation
Patent document
Patent document 1：German patent application discloses DE4422529A1 publications
Patent document 2：No. 5,590,562 publications of U.S. Patent No.
Patent document 3：Japanese Unexamined Patent Publication 2003-319849 publications
Patent document 4：Japanese Unexamined Patent Publication 2007-130455 publications
The content of the invention
Invent problem to be solved
According to the mechanism of patent document 3,4, in the locking of backrest, worm screw axial direction centered on an axially side
Another side is rotated to worm gear side, and worm gear is pushed in the state of being tilted in the axle center of worm screw.As a result, by ball
To the power of one extreme direction of axial another side effect direction axial direction of worm screw, the worm screw also moves in the enterprising line position of its glide direction.
Therefore, this point of elimination backlash can also eliminate the gap of the glide direction of worm screw, can suppress to be caused by the gap from needless to say
Backrest loosening, the generation of abnormal sound.In addition, in patent document 4, using be provided with the axially another of worm screw
The structure of the latch member of the slot engaging set is carved on the surface of the tooth of one side, is engaged by the latch member with the slot
Reliably to be locked.
However, being following mechanism in the technology disclosed in patent document 1~4：Worm screw can along with it approximately axially just
The direction of friendship carries out displacement, but pushes worm screw to worm gear side in locking.Therefore, worm screw during common spinning movement exists
In the state of being pushed when not having such as locking, worm screw needs to be pivotally supported on defined position, can be engaged with worm gear
And rotate.If the position of worm screw is inaccurate, then due to the rotation of worm screw itself, producing above and below axially each end in the worm screw shakes
Dynamic such deflection vibration, the rotary motion of worm screw itself is there is also problem, furthermore, it is possible to also hinder the smooth of backrest
Spinning movement.In addition, in locking, the structure of patent document 3,4 is by the way that fastened component to be sticked in the side face in worm screw
The slot that sets is carved to enter line-locked structure.Therefore, the stopping of the rotation of worm screw is stopped by the interval of each slot, nothing
Method stops at no gear positions.
The applicant is in view of above-mentioned point, is proposed as follows in international application no is PCT/JP2014/062645 application
Mechanism：Two worm gears are configured with the way of clipping worm screw, in first component and when rotating against of second component, for example, are present
When chair back is verted relative to seat cushion, support the rotary shaft of backrest and be configured at the driving of the master end worm gear of lower section
Power is played a role and rotates worm screw, and in locking, the slave end worm gear being disposed above is reduced into both to worm screw pushing
Between backlash.According to the mechanism, when rotated, worm screw relatively rotates, slave end snail by the revolving force of master end worm gear
Wheel is rotated by the revolving force of worm screw, and the revolving force of slave end worm gear is regenerated in worm screw, therefore the deflection vibration of worm screw is obtained
Suppress, the rotary motion of worm screw becomes smooth.In locking, because slave end worm gear is pushed on worm screw so as to which tooth contacts with each other on surface,
That is, the tooth of a side enters the tooth of the opposing party, compared with the mechanism described in above-mentioned patent document 1~4, Neng Gouke as chock
Backlash is reduced by ground, in addition, can be locked without gear positions.
The technical scheme that international application no is proposed by the applicant in PCT/JP2014/062645 application is like this
With excellent function, but according to the further result of study of the applicant, it is known that there is following situation：If in lock-out state
Under apply load repeatedly to backrest, then according to the size of load, the frequency of load, backrest is slightly towards rear or front
Tilt, that is, the slave end worm gear for being supported on backrest somewhat rotates, and thus can find the phenomenon that worm screw somewhat rotates.
The present invention is that its problem is to provide a kind of spinning movement controlling organization and seat in view of above-mentioned and make,
The action of stabilization when rotation is maintained to be configured with the structure of two worm gears by way of clipping worm screw, and even in lock
Also the rotation of worm screw can be prevented in the case of external force of the timing by the regulation above and further improves the reliability of locking.
Scheme for solving problem
In order to solve above-mentioned problem, spinning movement controlling organization of the invention can be relative to first component with second component
The mode of rotation controls the second component, and can be kept with the appropriate anglec of rotation, the spinning movement controlling organization
It is characterised by, it has：Worm screw, its either one in the first component and second component, by e axle supporting in axle
Between a pair of bearings portion configured to both ends；With master end worm gear and slave end worm gear, they are to clip the worm screw
Position relationship and so that with being set in the way of the worm engaging, the master end worm gear is arranged at the first component and the second structure
Either one in part, the slave end worm gear is arranged at the opposing party in the first component and second component, when making the first structure
When part and second component are rotated against, the worm screw rotation engaged with the master end worm gear, and nibbled with the worm screw
The slave end worm gear of conjunction also rotates, and in locking, the slave end worm gear is acted along the direction pushed to the worm screw, from
And can be locked in the state of the backlash between the slave end worm gear and the worm screw is reduced, also, the rotation
Rotation has as controlling organization：Fulcrum during rotation, it is arranged at axial both ends, and fulcrum when being rotated as the worm screw；
Fulcrum, its position that fulcrum is different when axial one end is arranged at from the rotation, when rotated, by described one during with locking
Fulcrum when supporting each rotation at the axial both ends to bearing portion, in locking, along with the slave end worm gear along
The action in the direction pushed to the worm screw, the worm screw carries out displacement vertically, so that by the pair of bearing portion in axial direction
Fulcrum when one end supports the locking, fulcrum, the spinning movement control machine when axial the other end supports the rotation
The structure that the small mode of lead angle when structure is to make the lead angle of worm screw during locking than rotation changes.
Preferably, fulcrum is respectively arranged at the center at axial both ends, institute during each rotation of the worm screw
Fulcrum is arranged at eccentric position in axial one end when stating locking.
Preferably following structure：Rotation of the spinning movement controlling organization in the axial one end for being arranged at the worm screw
Have when turning around fulcrum and be formed as circle-shaped groove portion, in the bearing portion of the side that is configured at axial one end side
Eccentric position forms the convex portion that the oriented groove portion direction is protruded, described in fulcrum turns into and abutted with the convex portion during locking
Any position in groove portion.
Preferably following structure：The bearing portion for being configured at a side of the axial one end side of the worm screw is flexible
The elastic portion of fulcrum when supporting the rotation, locking when the worm screw axially carry out displacement so as to the elastic portion along
Axial deflection, thus, the bearing position that the bearing portion of a side of the axial an end portion of the worm screw is supported is from described
Fulcrum becomes fulcrum when turning to the locking during rotation.
Additionally, it is preferred that being following structure：It is configured at the bearing portion tool of a side of the axial one end side of the worm screw
Have：Retainer, it, which has, can make the through hole that the leading section of fulcrum during the rotation is protruded laterally；With rotation control
Cam, it is formed as shape：In the rotation of the worm screw, rotation control cam is with protruding from the through hole
The leading section contact of fulcrum during the rotation, in locking, the rotation controls cam and from described in through hole protrusion
The leading section of fulcrum is separated during rotation.
Preferably following structure：The spinning movement controlling organization has to be entered in locking to the face of the slave end worm gear
The pressing member during locking of row pressing.
Preferably following structure：The spinning movement controlling organization possesses clutch plate, the clutch plate have with it is described from
The inclined plane formed on the opposed face in the face of at least one party of dynamic side worm gear, makes pressing member during the locking be supported on described
The component arranged between slave end worm gear and the clutch plate, in locking when the clutch plate rotation, by the inclined plane
The pressing member during locking is crimped on to the opposed faces of the slave end worm gear.
Preferably following structure：The slave end worm gear is supported to rotate via eccentric shaft, the eccentric shaft
Using the center eccentric position from the slave end worm gear as pivot, the spinning movement controlling organization is following knot
Structure：When rotating the eccentric shaft, the slave end worm gear is pushed on the worm screw, thus the slave end worm gear and institute
The backlash stated between worm screw is reduced, and limits the transmission of revolving force.
Preferably following structure：The slave end worm gear is bigger than the worm screw quality, the quality with the slave end worm gear
Corresponding power acts on the worm screw, to suppress the deflection vibration of the worm screw.
Preferably, the first component and second component are rotate against two in the multiple components for constitute seat
Individual component, the spinning movement controlling organization abutment chair is used.
Preferably, the first component is the either member for the framework for constituting seat cushion, and the second component is to constitute seat
The either member of the framework of chair back, the spinning movement controlling organization is used as to the backrest relative to the seat
The recliner that the inclination angle of pad is adjusted.
The seat of the present invention possesses seat cushion and backrest, and the seat is characterised by, any of the above-described spinning movement control
Mechanism processed is arranged between rotate against two components in the multiple components for constituting the seat.
Preferably, the spinning movement controlling organization is arranged at the framework for constituting the seat cushion as recliner
Either member and constitute the backrest the either member of framework between.
Invention effect
The present invention is with worm screw and the master end worm gear and slave end worm gear that are configured in the way of clipping the worm screw.Therefore,
When making second component be rotated against relative to first component, worm screw rotates against by the revolving force of master end worm gear, from
Dynamic side worm gear is rotated by the revolving force of worm screw, and the revolving force of slave end worm gear is regenerated in worm screw.Thus, the deflection of worm screw is shaken
Dynamic to be inhibited, the rotary motion of worm screw becomes smooth, and second component becomes smooth relative to rotating against for first component.
Also, fulcrum is by bearing portion during each rotation at the axial both ends in the present invention, when rotated, being set in worm screw
Supporting, on the other hand, in locking, when the axial one end of worm screw is set in the locking of eccentric position, fulcrum is by the axle of a side
Bearing portion is supported, and fulcrum is kept unchangeably supporting by the bearing portion of the opposing party when being rotated at axial the other end.As a result,
When during rotation with locking, the lead angle for being supported on the worm screw in a pair of bearings portion changes, and lead angle during locking is than rotation
When the lead angle it is small.Therefore, even if inputting revolving force from slave end worm gear, worm screw can not also rotate, therefore locking is reliable
Property improve, can for example suppress to apply the present invention to the locking of the backrest as described above in the case of recliner
When vert.In addition, the lead angle of worm screw diminishes in locking, therefore leaned on such as being collided because of the rear portion of vehicle to seat
In the case that the back of the body have input big load, the horizontal component that slave end worm gear applies is diminished.Therefore, easily maintain and worm screw
Engagement.That is, engagement is also maintained in the case that worm screw and each worm gear are by the impact for providing the above, therefore in big load
These three lower gears of effect are forced to rotate and make backrest gradually be verted, and thereby assist in suffered by mitigation passenger
Impact.In addition, easily keeping constituting backrest, the shape of each framework of seat cushion, the disengaging to outside car of passenger can be improved
Property.
Brief description of the drawings
Fig. 1 is the backrest for the recliner that the expression observed from positive right is provided with one embodiment of the present invention
The stereogram of the structure of framework.
Fig. 2 is the stereogram observed from Fig. 1 positive left.
Fig. 3 is Fig. 1 exploded perspective view.
Fig. 4 is Fig. 1 side view.
Fig. 4 of effect when Fig. 5 (a) is the rotation for illustrating worm screw I-I line direction views, Fig. 5 (b) is to be used to illustrate
Fig. 4 of effect during the locking of worm screw I-I line direction views, big load input when Fig. 5 (c) is the locking for illustrating worm screw
When effect Fig. 4 II-II line direction views.
Fig. 6 by the state (dotted line) during the rotation of worm screw with locking when state (solid line) represent in the lump along Fig. 4's
The amplification direction view of I-I lines.
Fig. 7 is the figure for illustrating the action of master end worm gear, slave end worm gear and worm screw in locking.
Fig. 8 is the figure for illustrating the division center of eccentric shaft.
Fig. 9 (a), (b) are the figures of the position relationship at center for illustrating eccentric shaft and the center of slave end worm gear.
Figure 10 be for illustrate master end worm gear, the action of slave end worm gear and worm screw when rotated figure.
Figure 11 is the figure for the result of the test for representing rear moment strength.
Figure 12 (a) be from unilateral observation to expression another embodiment of the present invention recliner stereogram,
Figure 12 (b) is the stereogram observed from opposite side.
Figure 13 is Figure 12 exploded perspective view.
The figure of effects of Figure 14 when being the latch-release for illustrating above-mentioned another embodiment (during inclined work), (a)
It is the figure observed from cover bracket side, (b) is the line A-A sectional view of (a), and (c) is the line B-B sectional view of (a).
The figure of effect when Figure 15 is the locking for illustrating above-mentioned another embodiment, (a) is seen from cover bracket side
The figure observed, (b) is the line A-A sectional view of (a), and (c) is the line B-B sectional view of (a).
Embodiment
Hereinafter, the present invention is further described based on embodiment illustrated.In the present embodiment, this hair is enumerated
The typical case of bright spinning movement controlling organization is the recliner 10 of seat to illustrate.As shown in Fig. 1~Fig. 7, this
The recliner 10 of embodiment possesses：The first structure is installed as at the rear portion of the body side frame for the cushion frame for constituting seat cushion
The seat cushion lateral bracket 1 of part () with " either member for constituting the framework of seat cushion " quite；And as second component with constituting seat
The suitable backrest side installation portion 2 in the bottom of the body side frame 20 of the back frame 200 of chair back and cover the backrest side installation portion 2
Cover bracket 3 (with " and constitute backrest framework either member " quite).
Seat cushion lateral bracket 1 is installed on the body side frame rear portion of cushion frame by bolt etc..On seat cushion lateral bracket 1 for example
Master end worm gear 40 is fixed with by welding.A part for the circumferencial direction of the master end worm gear 40 is in seat cushion lateral bracket 1
Top is protruded, and the tooth formed around the protrusion scope turns into the use region of master end worm gear 40.Master end worm gear 40 can
To be that complete cycle is formed gear with teeth or sector gear with teeth is only being formed using region.In addition, master end worm gear
40 and slave end worm gear 60 described later include the situation that uses helical gear as worm gear.
In backrest side installation portion 2 and cover bracket 3, in the position suitable with the short transverse substantially central portion of the cover bracket 3
Put and be formed with connecting hole 2c, 2d, 3c, 3d, between corresponding the connecting hole 2c and connecting hole 3c, connecting hole 2d and connecting hole 3d it
Between linked via link rivet 4,4 in the way of separating predetermined distance.The connecting hole 2c and connecting hole of installation portion 2 in backrest side
Between 2d and between the connecting hole 3c and connecting hole 3d of cover bracket, it is respectively formed with backrest side installation portion 2 and cover bracket 3
Width (fore-and-aft direction of seat) on longer worm screw match somebody with somebody apertured 2e, 3e, configure worm screw with apertured 2e, 3e in the worm screw
50.Specifically, configured in the way of worm screw 50 is axially along long side direction of the worm screw with apertured 2e, 3e, and worm screw 50 is matched somebody with somebody
It is set to and is engaged with above-mentioned master end worm gear 40.
Here, as shown in figs.5 and 6, the axial both ends of worm screw 50 are supported on the two ends for matching somebody with somebody apertured 2e, 3e in worm screw
A pair of bearings portion 510,520 that portion is arranged.It should be noted that being disposed in the two sides of worm screw 50 of the worm screw with apertured 2e, 3e
Covered by cover 500,501.The bearing portion 510 of the side in front side has on the fore-and-aft direction of seat：Retainer
511, it is made up of plate body, and is disposed in the one end (leading section) that worm screw matches somebody with somebody apertured 2e, 3e；With leaf spring 512, its stacking is matched somebody with somebody
Located at the outer surface of the retainer 511.Set in the substantially central portion of the retainer 511 of the bearing portion 510 of a side
There is the bearing hole 511a run through along thickness direction.It is provided with forward in the substantially central portion of the one end (leading section) of worm screw 50
The prominent axle portion 50a in side, axle portion 50a pass through bearing hole 511a, and axle portion 50a front end is abutted with leaf spring 512.
The bearing portion 520 of the opposing party in rear side is configured to have on the fore-and-aft direction of seat：Retainer
521, it is made up of plate body, and is disposed in the rearward end that worm screw matches somebody with somebody apertured 2e, 3e；With ball 522.In the bearing portion of the opposing party
The substantially central portion of 520 retainer 521 is formed with retainer side bearing groove 521a, in addition, in the other end of worm screw 50
The substantially central portion in the face (rear end face) of portion side is formed with worm screw side bearing groove 50b, in retainer side bearing groove 521a and snail
Ball 522 is filled between bar side bearing groove 50b.
Because worm screw 50 is so supported by, therefore back frame 200 is set to incline relative to cushion frame (seat cushion lateral bracket 1)
During the rotation turned, being supported on the bearing hole 511a of the bearing portion 510 of the side axle portion 50a positioned at substantially central portion turns into one end
The fulcrum (fulcrum during rotation) of portion (leading section) side, with being supported on the worm screw that the ball 522 of bearing portion 520 of the opposing party is in contact
Side bearing groove 50b turns into the fulcrum (fulcrum during rotation) (reference picture 5 (a), Fig. 6) of the other end (rearward end) side.
On the other hand, in the face (front end face) of one end (leading section) side of worm screw 50, set in eccentric position in protrusion
Being placed in the axle portion 50a outside of substantially central portion, circumferentially shape is formed with groove portion 50c.In addition, in the bearing portion 510 of a side
On, in the eccentric positions of bearing hole 511a in the outer part than being formed at substantially central portion, to be protruded towards the groove portion 50c of worm screw 50
Mode be formed with convex portion 511b.For worm screw 50, connect in slave end worm gear 60 described later from approximately axially orthogonal direction
When the near and flank of tooth is in contact with each other, the axially displacement of worm screw 50.In the present embodiment, before worm screw 50 is set as axially
Fang Jinhang displacements.Therefore, in locking, when the axially front displacement of worm screw 50, axle portion 50a presses leaf spring 512 and is allowed to
Flexure, convex portion 511b engages with the groove portion 50c of worm screw 50.Thus, in locking, from the state of Fig. 6 dotted line to Fig. 6 solid line
Shown state carries out displacement, and the groove portion 50c of the one end of worm screw 50 is turned into fulcrum (branch during locking by convex portion 511b e axle supportings
Point) (reference picture 5 (b)).It should be noted that the worm screw side as fulcrum during rotation of the other end (rearward end) of worm screw 50
Bearing groove 50b also still maintains the fulcrum that the ball 522 of the bearing portion 520 with being supported on the opposing party is in contact in locking.
Therefore, worm screw 50 when rotated, such as shown in Fig. 5 (a), by a pair of bearings portion 510,520 along in the worm screw 50
Heart line A supports (state of Fig. 6 dotted line) between fulcrum when rotated, in locking, shown in such as Fig. 5 (b), by a pair of bearings portion
510th, 520 along axis B branch during the locking for linking fulcrum during the rotation of fulcrum during the locking of one end side and the other end side
Hold (state of Fig. 6 solid line), therefore the lead angle that worm screw 50 engages with each worm gear 40,60 is smaller than when rotated in locking.
Therefore, even if inputting revolving force from slave end worm gear 60, worm screw 50 is also not easy rotation compared with conventional art.
In backrest side, the worm screw of installation portion 2 and cover bracket 3 matches somebody with somebody the top of apertured 2e, 3e, is formed through wearing for eccentric shaft 6
Axle inserting hole 2f, the 3f (reference picture 3) crossed.Be equipped between backrest side installation portion 2 and cover bracket 3 as can moving gear from
Dynamic side worm gear 60 with worm screw 50 to engage, but the slave end worm gear 60 is with the eccentric shaft 6 through axle inserting hole 2f, 3f with being set to
Pivot.That is, as shown in Fig. 7~Fig. 9, it is the big of circle that slave end worm gear 60, which is installed on the shape of cross section in eccentric shaft 6,
Footpath portion 6e.The center 6a of eccentric shaft 6 is eccentric relative to the center 60a of slave end worm gear 60, and slave end worm gear 60 is with the bias
(the center 6a of eccentric shaft 6) is pivoted about for position.By master end worm gear 40 and slave end worm gear 60 be configured to across
Worm screw 50 and it is opposed, corresponding with the quality of slave end worm gear 60 power is regenerated on worm screw 50, elimination acts on the axle of worm screw 50
Substantially method in the power in heart direction (tangential direction) and the power in the direction (substantially normal direction) being substantially orthogonal with axis direction
The power in line direction, thus, the deflection vibration of worm screw 50 is eliminated it is stable so as to the rotary motion of the worm screw 50, and with worm screw 50
The rotary motion of itself of the slave end worm gear 60 of engagement is also stablized, and thus, their spinning movement is smoothened.Need explanation
It is that, in order to give full play to the effect of the slave end worm gear 60 to worm screw 50, quality of the slave end worm gear 60 preferably than worm screw 50 is big.
As shown in FIG. 1 to 3, recliner 10 is arranged at back frame 200 and cushion frame (seat cushion lateral bracket 1)
Both sides, but handle 7 as the control member position link prominents with the outer surface to cover bracket 3 of the side of eccentric shaft 6
(reference picture 8).In addition, be linked with the inner side of the backrest side installation portion 2,2 of two body side frames of back frame handle support 7a,
7a, handle support 7a, 7a and eccentric shaft 6,6 link respectively, and handle support 7a, 7a engages (reference picture with back-moving spring 8,8
1~Fig. 3).In addition, in order that handle support 7a, 7a of left and right are synchronously acted, set up has connecting rod 7c therebetween.
In backrest side, the ratio worm screw of installation portion 2 and cover bracket 3 is formed with rotary shaft 9 with the position of apertured 2e, 3e on the lower
Inserting hole 2h, 3h, also extended through in the position corresponding with the inserting hole 2h, 3h of seat cushion lateral bracket 1 and be formed with rotary shaft 9
Inserting hole 1h.Therefore, when making backrest (back frame 200) vert, backrest side installation portion 2 and cover bracket 3 are with the rotation
Rotated forwards, backwards relative to seat cushion lateral bracket 1 centered on axle 9.It should be noted that reference 91 be to backrest forward
The volute spring of side's force.
Then, the effect of present embodiment is illustrated.First, when overcome back-moving spring 8 and to latch-release direction operation hand
During handle 7, eccentric shaft 6 is rotated to a direction, is accompanied by this, and slave end worm gear 60 is boosted upward.Thus, slave end worm gear 60
The gap of each between cog, worm screw 50 with worm screw 50 and each between cog of master end worm gear 40, which turns into, allows the appropriate of respective rotation
Backlash, by self-discipline ground aligning.Also, as shown in Figure 10, when backrest 200 to be made is forwards or when rear is verted, backrest side
Installation portion 2 and cover bracket 3 as shown in Figure 10 double dot dash line centered on rotary shaft 9 and relative to seat cushion lateral bracket 1 to
It is front and rear to rotate.
In backrest side installation portion 2 and cover bracket 3 as shown in Figure 10 double dot dash line relative to seat cushion lateral bracket 1 forward
In the case of rotating afterwards, worm screw 50 rotates forwards, backwards together with backrest side installation portion 2 and cover bracket 3, but due to worm screw 50 and master
Dynamic side worm gear 40 is engaged, therefore when backrest side installation portion 2 and cover bracket 3 are moved forward and backward, worm screw 50 moves forward and backward therewith
And rotated simultaneously around its axle center.It should be noted that for the point, it may be said that worm screw 50 is as planetary gear relative to actively
Side worm gear 40 is acted.By the rotation of worm screw 50, slave end worm gear 60 rotates around eccentric shaft 6, can by these actions
Carry out the operation of verting of backrest.
Here, worm screw 50 is when rotated, as described above, the center line A by a pair of bearings portion 510,520 along the worm screw 50
Support and rotated (reference picture 5 (a)) between fulcrum when rotated.It should be noted that worm screw 50 is by master end worm gear 40
Revolving force and rotate, therefore under the posture worm screw 50 to be set to its lead angle bigger than the angle of friction of master end worm gear 40.
In the case where being locked from test section of the latch-release state, when unclamping the hand for operating handle 7 etc., handle 7 is borrowed
Help the elastic force of back-moving spring 8 and rotate.Then, the eccentric shaft 6 linked with handle 7 is rotated backward to above-mentioned direction.By
From the center 60a of slave end worm gear 60 bias is there occurs in the pivot 6a of eccentric shaft 6, therefore rotate slave end worm gear 60
And push slave end worm gear 60 to the direction of worm screw 50.Thus, the gap of both between cog diminish and the mutual contact area of tooth by
It is cumulative to add, therefore worm screw 50 carries out displacement to axially front, three gears 40,50,60 can not rotate, be locked in the position each other
Fixed, backrest is adjusted to desired angle.
Now, in the present embodiment, as described above, locking when, when worm screw 50 to axially front carry out displacement when, axle
Portion 50a presses leaf spring 512, and convex portion 511b engages with the groove portion 50c of worm screw 50.Thus, in locking, the one end side of worm screw 50
Point supporting when locked, point supporting when the other end side is rotated, as the supporting along axis B during locking, therefore with
The lead angle that worm screw 50 engages with each worm gear 40,60 changes (reference picture 5 (b)) in locking than mode small when rotated.Its
As a result, in the present embodiment, compared to fulcrum when rotated with locking when indeclinable structure, even if from slave end worm gear
60 input revolving forces, worm screw 50 is also not easy rotation, and the reliability of locking is improved.
Therefore, the locking intensity of the load to putting on backrest is uprised, suppress backrest in the locked state by
The inhibition gradually verted is good.In addition, worm screw 50 diminishes with the lead angle that each worm gear 40,60 is engaged.That is, as shown in Fig. 5 (c),
Lead angle when big load is inputted diminishes compared with the indeclinable situation of fulcrum.As a result, have input greatly to backrest
In the case of load, what slave end worm gear 60 was applied diminishes along horizontal component, therefore easily maintains to nibble with worm screw 50
Close, it helps improve the detachment to outside car realized by impact mitigation, the maintenance of frame shape of passenger.
Figure 11 be represent for be provided with above-mentioned embodiment recliner 10 seat frame (test example), to by
The figure of the result of the test for the rear moment strength that back frame frame applies intensity rearward and determined.As shown in the drawing, it is known that：Afterwards
Square moment strength is about 2900Nm, becomes very high, and carries out displacement, the worm screw 50 of recliner 10 in substantially linear
In depth engaged with the tooth of each worm gear 40,60 and be integrally formed with back frame and carry out bearing strength.Therefore, in collision etc., with
Recliner 10 is compared, and first carries out the deformation of back frame, real therefore, it is possible to swimmingly play the deformation based on back frame
Existing energy absorption.In addition, the intensity of recliner 10 it is high and at the very start easily maintain worm screw 50 engagement, this point with it is upper
State equally, but the fulcrum supported when in locking from latch-release to worm screw 50 is different, and therefore, in locking, fulcrum is not damaged
What problem even if fulcrum generates damage during locking, rotation is switched to also by latch-release without certainly in the case of wound
Fulcrum when turning, therefore, it is possible to carry out verting for backrest, to ensuring that the contribution degree of detachment function of passenger is high.The seat of test example
Chair framework produces back frame before recliner 10 produces damage at the position somewhat by the top of recliner 10
Buckling and intensity decreases, but after experiment, when having carried out operation to recliner 10, it was found that can be with total travel
Carry out inclined work.In fig. 11 it is shown that the tilt adjustment device for being provided with conventional internal tooth type
(recliner) seat frame (comparative example) and the rear moment strength determined with the condition same with test example, are comparing
In the case of example, tilt adjustment device first produces damage than seat frame, and then seat frame deforms, rear moment strength
For low value, it is known that, on rear moment strength this aspect, the structure of test example is excellent.
Figure 12~Figure 15 is the spinning movement controlling organization i.e. recliner 10A for representing another embodiment of the present invention
Figure.The recliner 10A of present embodiment is configured to, master end worm gear 40A is arranged at as second component with by
The side of backrest lateral bracket 211 that back frame frame links, slave end worm gear 60A and worm screw 50A is arranged at the seat as first component
Pad the seat cushion lateral bracket 111 of framework side.
Specifically, backrest lateral bracket 211 is formed using the steel suitable for gear manufacture, by master end worm gear 40A
The backrest lateral bracket 211 is integrally formed in its tooth mode directed downwardly.Rotary shaft 9 passes through backrest lateral bracket 211, the rotary shaft 9
Be fixed on seat cushion lateral bracket 111, including the back frame including backrest lateral bracket 211 centered on the rotary shaft 9 it is laggard forward
Row verts.Engaging between the center of rotary shaft 9 and the engagement pin 211a for being arranged at backrest lateral bracket 211 has as balancing spring
Volute spring 91.
Slave end worm gear 60A is arranged at seat cushion lateral bracket 111 in the way of it can rotate, in the upper of slave end worm gear 60A
Side is provided with worm screw 50A in the way of it can rotate.In supporting slave end worm gear 60A eccentric shaft 6A, via back-moving spring 70A
And it is linked with the control members such as handle (not shown).Therefore, eccentric shaft 6A is sent out as the transmission axle of the power of transmission control member
Wave function (this puts same with above-mentioned embodiment).
Backrest lateral bracket 211 is disposed between seat cushion lateral bracket 111 and cover bracket 311, is held in the palm in seat cushion lateral bracket 111 with cover
Frame 311 is respectively formed with worm screw with apertured 111e, 311e.Between seat cushion lateral bracket 111 and cover bracket 311, match somebody with somebody in the worm screw
Apertured 111e, 311e is configured with worm screw 50A.Specifically, apertured 111e, 311e is matched somebody with somebody axially along worm screw with worm screw 50A
The mode of long side direction is configured, and worm screw 50A is configured to and above-mentioned master end worm gear 40A and slave end worm gear
60A is engaged.Cover 500A, 501A are equipped in seat cushion lateral bracket 111 and the respective outer surface side of cover bracket 311, worm screw is covered
50A's matches somebody with somebody apertured 111e, 311e towards the side in outside from worm screw.
In the present embodiment, worm gear 40A in master end is arranged at backrest lateral bracket 211, worm screw 50A and slave end worm gear
60A may be contained within seat cushion lateral bracket 111, thus master end worm gear 40A together with backrest lateral bracket 211 centered on rotary shaft 9
Rotated forwards, backwards in worm screw 50A upside.When in master end, worm gear 40A is so rotated, the snail engaged with master end worm gear 40A
Bar 50A rotates, and further, the slave end worm gear 60A engaged with the worm screw 50A is pivoted about with eccentric shaft 6A.
So, present embodiment is following structure：The master end worm gear 40A for rotating worm screw 50A is configured at worm screw 50A's
Upside, master end worm gear 40A's makes gravity direction effect of the power that worm screw 50A rotates along worm screw 50A.That is, master end worm gear
Backlash between 40A and worm screw 50A is intended to expand all the time because of worm screw 50A gravity, therefore with illustrating in above-mentioned embodiment
The type for arranging master end worm gear 40 in the downside of worm screw 50 is compared, and can reduce is made by master end worm gear 40A rotation
The angle of friction in design needed for worm screw 50A rotations.
Here, in the above-described embodiment, as shown in figs.5 and 6, the two ends of apertured 2e, 3e are matched somebody with somebody by being disposed in worm screw
A pair of bearings portion 510,520 in portion supports the axial both ends of worm screw 50.In the present embodiment, similarly by a pair of bearings portion
510A, 520A support worm screw 50A, in addition, the bearing portion 520A of the opposing party of the rear side in seat similarly includes：Possesses guarantor
Hold frame side bearing groove 521A1 retainer 521A and the worm screw side in retainer side bearing groove 521A1 and worm screw 50A
The ball 522A loaded between bearing groove 50A2, but be configured at the bearing portion 510A of a side of the front side of seat supporting structure and have
Institute is different.
I.e., in the present embodiment, the bearing portion 510A of a side is configured to control with retainer 511A and rotation
Cam 512A, without leaf spring 512 in the above-described embodiment shown in used Fig. 5 and Fig. 6 etc..Retainer
511A is provided with the bearing hole 511A1 run through along thickness direction in substantially central portion, in worm screw 50A one end (leading section)
Substantially central portion axle portion 50A1 for setting in the way of protruding forwards pass through bearing hole 511A1, axle portion 50A1 front end
To the protruding outside of bearing hole 511A.
Rotation control cam 512A by the axle portion 50A1 in worm screw 50A seat front in the way of it can rotate axle branch
The tabular component composition in support shaft 513 is held, the support shaft 513 is supported between seat cushion lateral bracket 111 and cover bracket 311.
The rear side side face of the position of rear sides positioned at seat chair of the rotation control cam 512A in its side face is formed with recess 512A1,
And relatively rearward prominent convex portion 512A2 is formed with the mode adjacent with recess 512A1 downside.
Cam axle portion 512A3 has been provided projectingly in rotation control cam 512A bottom.It is formed with cover bracket 311
The elongated hole 311f of opening in the way of rear portion is in top, cam is protruded laterally with axle portion 512A3 from elongated hole 311f.Convex
Wheel is linked with carrier bar 71A one end with the position of axle portion 512A3 protrusion.Chain rivet 71B is linked with the carrier bar 71A other end.
Chain rivet 71B and the handle bracket 71C links for being linked to eccentric shaft 6A.Handle is supported by with bracket 71C around eccentric shaft 6A, and by
Back-moving spring 70A exerts a force, and back-moving spring 70A one end engages with handle bracket 71C connecting hole 71C1, and the other end is with covering
The cover 501A of one side of lid worm screw 50A side protrusion tab 501A1 engagings.
In the elasticity for making the control members such as handle (not shown) overcome back-moving spring 70A to carry out tilt adjustment action
When power and the releasing direction shown in Figure 14 (a) arrow are acted, cam is used via chain rivet 71B and carrier bar 71A
Axle portion 512A3 is rearward rotated in elongated hole 311f.Thus, rotation control cam 512A rotate counterclockwises in Figure 14 (a), convex
Portion 512A2 is abutted to the position displacement facing with worm screw 50A axle portion 50A1, and with axle portion 50A1 front end face.Thus,
By the leaning forward of back frame, hypsokinesis, worm screw 50A centered on the center line A for linking axle portion 50A1 and ball 522 swimmingly
Rotate (reference picture 14 (b)).
When the power that will be operated to control member is released, in the presence of back-moving spring 70A elastic force, handle is used
Locking direction rotations of the bracket 71C shown in Figure 15 (a) arrow, makes cam axle portion via chain rivet 71B and carrier bar 71A
512A3 is rotated forwards in elongated hole 311f.Thus, rotation control cam 512A turns clockwise in Figure 15 (a), recess
512A1 is to the position displacement facing with worm screw 50A axle portion 50A1.As a result, as shown in Figure 15 (b), axle portion 50A1
Front end face turn into not with the states that contact of rotation control cam 512A.
When being locked from test section of the latch-release state, as illustrated by above-mentioned embodiment, eccentric shaft 6A rotation
The center for turning center from slave end worm gear 60A is eccentric, therefore while slave end worm gear 60A is rotated, along worm screw 50A side
To slave end worm gear 60A is pushed, thus worm screw 50A carries out displacement to axially front, and worm screw 50A is with along axis B during locking
Mode supports (reference picture 15 (b)) by the convex portion 511A2 and ball 522A for being arranged at retainer 511A eccentric position.This
When, in the present embodiment, worm screw 50A axle portion 50A1 is not contacted with any component.In the reality shown in above-mentioned Fig. 1~Figure 10
In the case of applying mode, in the locking, the axle portion 50a of worm screw 50 is also contacted (reference picture 5 and Fig. 6) with leaf spring 512.Cause
This, when applying load repeatedly to backrest, according to the size of load, it is possible to which worm screw 50 rotates, and backrest enters
Row verts.However, in the present embodiment, worm screw 50A axle portion 50A1 leading section is completely with not rotating control cam
The state of 512A contacts, therefore compared with above-mentioned embodiment, can suppress to be applied with big load in such locking
In the case of worm screw 50A rotation.
In the present embodiment, clutch plate 150 is additionally provided with, the clutch plate 150 has to be faced with slave end worm gear 60A
The face (opposed faces) 151 put.Clutch plate 150 with by above-mentioned opposed faces 151 towards inner side and by welding etc. by eccentric shaft 6A
The mode for being fixed on its centre bore 151c is disposed in seat cushion lateral bracket 111.In opposed faces 151, to separate in a circumferential direction
The mode of predetermined distance is formed with groove portion 151a, and each groove portion 151a shapes near each end of circumferencial direction at three positions
Into there is inclined plane 151b.On the other hand, in the hole portion with each groove portion 151a three positions being correspondingly formed of seat cushion lateral bracket 111
Ball 152 is supported with 111a.The ball 152 is set to prominent into groove portion 151a and can contacted with inclined plane 151b, and
And be set to a part for the ball 152 can be prominent from hole portion 111a to slave end worm gear 60A sides.In the present embodiment,
The pressing member when ball 152 constitutes locking, seat cushion lateral bracket 111 constitutes the component that pressing member is supported during to locking.
Under test section of the latch-release state, clutch plate 150 rotates together with eccentric shaft 6A rotation to a direction, but now, such as
Shown in Figure 14 (c), ball 152 is accordingly held in the flat part in addition to inclined plane 151b in groove portion 151a.Therefore, ball
152 do not press slave end worm gear 60A face, without prejudice to slave end worm gear 60A rotation.
On the other hand, in locking, clutch plate 150 rotates predetermined angular because of eccentric shaft 6A rotation, such as Figure 15 (c) institutes
Show, inclined plane 151b is in and the corresponding position of ball 152.Because inclined plane 151b presses ball 152, therefore the ball 152
Protruded from hole portion 111a, be crimped on slave end worm gear 60A face.Thus, so that slave end worm gear 60A is non-rotary in locking
The power that mode is kept becomes higher.
In the present embodiment, as described above, employing following mechanism：By worm screw 50A supporting device and to from
The mechanism that dynamic side worm gear 60A face is pressed, the rotation to worm screw 50A, slave end worm gear 60A is strongly acted in locking
The power prevented.When therefore, to locking because being inputted repeatedly to backrest forwards or seat caused by the load at rear
The effect that the inclination of chair back is suppressed is good.
It should be noted that in the nature of things, can also be in the embodiment shown in above-mentioned Fig. 1~Figure 10 using this
The mechanism that the worm screw 50A of embodiment supporting device and face to slave end worm gear 60A are pressed.
In addition, in the above description, said using the hand that is provided with control member (handle 7 etc.) as premise
It is bright, but the present invention can also be applicable electrodynamic type certainly.In addition, for the spinning movement controlling organization of the present invention, implementing as described above
As mode is illustrated, the recliner of seat is typically used as, but it is also possible to alternatively function as front and rear lifter, put down
The spinning movement portion of row lifter and the locking mechanism of power cell motor etc..In addition, being not limited to the vehicles such as motor vehicle use
Seat, is readily applicable to seat of train, aircraft etc..
Description of reference numerals
1st, 111 seat cushion lateral bracket；
2 backrest side installation portions；
211 backrest lateral brackets；
3rd, 311 cover bracket；
6th, 6A eccentric shafts；
9 rotary shafts；
10th, 10A recliners；
40th, 40A master ends worm gear；
50th, 50A worm screws；
50a, 50A1 axle portion (fulcrum during rotation)；
50b, 50A2 worm screw side bearing groove (fulcrum during rotation)；
50c groove portions (fulcrum during locking)；
510th, 520,510A, 520A bearing portion；
511st, 521,511A, 521A retainer；
511a, 511A1 bearing hole；
511b, 511A2 convex portion；
512A rotation control cams；
521a, 521A1 retainer side bearing groove；
522nd, 522A balls；
60th, 60A slave ends worm gear；
150 clutch plates；
151a groove portions；
151b inclined planes；
152 balls.
Claims (13)
1. a kind of spinning movement controlling organization, its by second component can relative to first component rotation in the way of control this second
Component, and can be kept with the appropriate anglec of rotation,
The spinning movement controlling organization is characterised by that it has：
Worm screw, its either one in the first component and second component, by e axle supporting in being configured at axial both ends
Between a pair of bearings portion；With
Master end worm gear and slave end worm gear, they with clip the worm screw position relationship and with the worm engaging
Mode is set, and the master end worm gear is arranged at either one in the first component and second component, and the slave end worm gear is set
The opposing party being placed in the first component and second component,
When making first component and second component is rotated against, the worm screw rotation engaged with the master end worm gear, and
And also rotated with the slave end worm gear of the worm engaging,
In locking, the slave end worm gear is set to be acted along the direction pushed to the worm screw, so as to reducing
State and locked in the state of the backlash between slave end worm gear and the worm screw, also,
The spinning movement controlling organization has：Fulcrum during rotation, it is arranged at axial both ends, and as worm screw rotation
When fulcrum；Fulcrum during with locking, its position that fulcrum is different when axial one end is arranged at from the rotation,
When rotated, fulcrum when supporting each rotation at the axial both ends by the pair of bearing portion,
In locking, along with the action along the direction pushed to the worm screw of the slave end worm gear, the worm screw edge
Axially carry out displacement so that by the pair of bearing portion axial one end support the locking when fulcrum, in the axial other end
Fulcrum when portion supports the rotation,
The spinning movement controlling organization is the small side of lead angle so that when the lead angle of worm screw during locking is than rotation
The structure of formula change.
2. spinning movement controlling organization according to claim 1, wherein,
Fulcrum is respectively arranged at the center at axial both ends during each rotation of the worm screw, and fulcrum exists during the locking
Axial one end is arranged at eccentric position.
3. spinning movement controlling organization according to claim 1 or 2, wherein,
The spinning movement controlling organization has shape when being arranged at the rotation of axial one end of the worm screw around fulcrum
As circle-shaped groove portion,
The oriented groove portion direction is formed in the eccentric position of the bearing portion for the side for being configured at axial one end side to protrude
Convex portion,
Fulcrum turns into any position in the groove portion abutted with the convex portion during the locking.
4. spinning movement controlling organization according to any one of claim 1 to 3, wherein,
Fulcrum when being configured at the bearing portion flexible supporting rotation of a side of the axial one end side of the worm screw
Elastic portion, in locking, the worm screw axially carries out displacement and axially bent so as to the elastic portion, thus, described
The bearing position that the bearing portion of one side of the axial an end portion of worm screw is supported becomes from fulcrum during the rotation turns to institute
Fulcrum when stating locking.
5. spinning movement controlling organization according to any one of claim 1 to 3, wherein,
Being configured at the bearing portion of a side of the axial one end side of the worm screw has：Retainer, it has can
The through hole for making the leading section of fulcrum during the rotation protrude laterally；Cam is controlled with rotation, it is formed as shape：
During the rotation of the worm screw, rotation control cam with protruded from the through hole the rotation when fulcrum leading section connect
Touch, in locking, rotation control cam with protruded from the through hole the rotation when fulcrum leading section separate.
6. spinning movement controlling organization according to any one of claim 1 to 5, wherein,
The spinning movement controlling organization is pressed when having the locking pressed in locking the face of the slave end worm gear
Component.
7. spinning movement controlling organization according to claim 6, wherein,
The spinning movement controlling organization possesses clutch plate, and the clutch plate has with least one party's of the slave end worm gear
The inclined plane formed on the opposed face in face, makes pressing member during the locking be supported in the slave end worm gear and the clutch
The component arranged between plate, in locking when clutch plate rotation, by the inclined plane by pressing member during the locking
It is crimped on the opposed faces of the slave end worm gear.
8. spinning movement controlling organization according to any one of claim 1 to 7, wherein,
The slave end worm gear is supported to rotate via eccentric shaft, and the eccentric shaft is with from the slave end worm gear
Center eccentric position is pivot,
The spinning movement controlling organization is following structure：When rotating the eccentric shaft, the slave end worm gear is pushed
In the worm screw, thus the backlash reduction between the slave end worm gear and the worm screw, limits the transmission of revolving force.
9. spinning movement controlling organization according to any one of claim 1 to 8, wherein,
The spinning movement controlling organization is following structure：The slave end worm gear is bigger than the quality of the worm screw, with it is described from
The corresponding power of quality of dynamic side worm gear acts on the worm screw, to suppress the deflection vibration of the worm screw.
10. spinning movement controlling organization according to any one of claim 1 to 9, wherein,
The first component and second component are rotate against two components in the multiple components for constitute seat, the rotation
Rotation is made controlling organization abutment chair and used.
11. spinning movement controlling organization according to claim 10, wherein,
The first component is the either member for the framework for constituting seat cushion, and the second component is the framework for constituting backrest
Either member, the spinning movement controlling organization is used as carrying out the inclination angle relative to the seat cushion of the backrest
The recliner of regulation.
12. a kind of seat, it possesses seat cushion and backrest,
The seat is characterised by,
Spinning movement controlling organization any one of claim 1 to 11 is arranged in the multiple components for constituting the seat
Rotate against two components between.
13. seat according to claim 12, wherein,
The spinning movement controlling organization be arranged at as recliner the either member of the framework for constituting the seat cushion with
Between the either member for the framework for constituting the backrest.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-211639 | 2014-10-16 | ||
| JP2014211639 | 2014-10-16 | ||
| PCT/JP2015/079381 WO2016060269A1 (en) | 2014-10-16 | 2015-10-16 | Rotating operation control mechanism and seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107074130A true CN107074130A (en) | 2017-08-18 |
| CN107074130B CN107074130B (en) | 2019-07-05 |
Family
ID=55746801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580055907.0A Active CN107074130B (en) | 2014-10-16 | 2015-10-16 | Spinning movement control mechanism and seat |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10179523B2 (en) |
| EP (1) | EP3208141B1 (en) |
| JP (1) | JP6588025B2 (en) |
| CN (1) | CN107074130B (en) |
| WO (1) | WO2016060269A1 (en) |
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|---|---|---|---|---|
| CN109489265A (en) * | 2018-11-13 | 2019-03-19 | 张正文 | A kind of high stability solar collecting device |
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|---|---|---|---|---|
| EP3597973B1 (en) * | 2018-07-20 | 2020-12-16 | Siemens Schweiz AG | Gear element and actuator with a return spring and with a self-releasing gear lock |
| CN113547969B (en) * | 2021-08-20 | 2024-10-01 | 新发展（长春）汽车自控系统有限公司 | Two-way electric waist support |
| RU210205U1 (en) * | 2021-12-09 | 2022-03-31 | Константин Михайлович Лаврухин | TRANSFORMATION MECHANISM OF MULTI-SECTION UPHOLSTERED FURNITURE |
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- 2015-10-16 JP JP2016554149A patent/JP6588025B2/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2016060269A1 (en) | 2017-07-27 |
| EP3208141A4 (en) | 2018-05-23 |
| JP6588025B2 (en) | 2019-10-09 |
| EP3208141B1 (en) | 2020-08-26 |
| CN107074130B (en) | 2019-07-05 |
| WO2016060269A1 (en) | 2016-04-21 |
| EP3208141A1 (en) | 2017-08-23 |
| US10179523B2 (en) | 2019-01-15 |
| US20170240071A1 (en) | 2017-08-24 |
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